From 8728aa28403efefe5ad469e7a5591e5787c1da81 Mon Sep 17 00:00:00 2001
From: orignal <romakoshelkin@yandex.ru>
Date: Thu, 27 Mar 2014 15:56:13 -0400
Subject: [PATCH] check buffer first for async receive

---
 Streaming.h | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/Streaming.h b/Streaming.h
index 8de2d241..b25c70a0 100644
--- a/Streaming.h
+++ b/Streaming.h
@@ -200,6 +200,16 @@ namespace stream
 	template<typename Buffer, typename ReceiveHandler>
 	void Stream::AsyncReceive (const Buffer& buffer, ReceiveHandler handler, int timeout)
 	{
+		if (!m_ReceiveQueue.IsEmpty ())
+		{
+			size_t received = ConcatenatePackets (boost::asio::buffer_cast<uint8_t *>(buffer), 					boost::asio::buffer_size(buffer));
+			if (received)
+			{
+				// TODO: post to stream's thread
+				handler (boost::system::error_code (), received);
+				return;
+			}	
+		}
 		m_ReceiveTimer.expires_from_now (boost::posix_time::seconds(timeout));
 		m_ReceiveTimer.async_wait (boost::bind (&Stream::HandleReceiveTimer<Buffer, ReceiveHandler>,
 			this, boost::asio::placeholders::error, buffer, handler));